New Delhi, Mar 25: The Indian Intelligence Bureau has warned of large scale attacks during the elections. The report further warned that groups such as the Lashkar-e-Tayiba and Jaish-e-Mohammad would try and strike at the heartland and not just in Jammu and Kashmir. This is the third warning that the agencies have issued in the past four months. The IB warning also says that the Lashkar-e-Tayiba will look to activate its sleeper cells across the country. The warning specifies that the outfit will look to target states such as Uttar Pradesh, Rajasthan, Karnataka ahead of the elections. The Intelligence Bureau has sounded another alert in which it is stated that Lashkar-e-Tayiba is training its terrorists to launch sea borne attacks in India. The maritime wing of the Lashkar-e-Tayiba has reported enhanced activity in the past couple of months, the IB reported.